Major in aerospace science and technology. According to the professional information released by official website of Northwestern Polytechnical University, the aerospace science and technology major in the School of Materials of Northwestern Polytechnical University is the earliest and most distinctive major in Xigong University, which belongs to the national first-class key discipline and ranks first in the fourth round of national discipline evaluation. Northwestern Polytechnical University (hereinafter referred to as "Xigong University") is located in Xi City, the capital of Shaanxi Province, directly under the Ministry of Industry and Information Technology of the People's Republic of China. It is a national key university with interdisciplinary research characteristics, such as personnel training and scientific research in aviation, aerospace, navigation and other fields.